Oil-filter.



W. F. WARDEN.

OIL FILTER.

' APPLICATION FILED MAY, 1914.

Patented May 25, 1915.

7 3. I1? m I .1... E: :5 w 7 I? P w 0 iiilll anuemioc W F. WARDEN WILLIAM Specification of Letters Patent.

F. WARDEN, OF AKRON, OHIO.

OIL-FILTER.

Patented May 25 1915.

Application filedllay 11, 1914; Sei'iaINo. 837,648;

To all whom it may concern Be it known that I, WILLIAM F. WARDEN, a citizen of the United States, residingat Akron, in the county of Summit and} State of Ohio, have invented new and useful 'Improvements in Oil-Filters, of which the following is a specification.

This invention relates to improvements in oil filters, and the object of the-invention is to provide an oil filter so constructed that the filtering media employed may be cleaned at any time without interruptingLthe flow of oil through the filter or mpairing the filtering operation thereof.

Briefly, heretofore it has been necessary in cleaning the oil filters, especially, those serving large plants, to arrest the flow of oil through the filtering media to permit the cleaning of the filter, thereby endangering the machinery .served by the filter and rendering the function and usefulness-of the filter of less value than if the cleansing operagion did not interrupt the continuous flow 0 oil. 1

With the foregoing and other objects in view, the invention consists in the novel construction, combination and arrangement 0 parts constituting the invention to be hereinafter specifically described and illustrated in the accompanying drawings which form a part hereof wherein is shown the preferred embodiment of the invention, but. it is-tobe understood that changes, variations and modifications can be resorted to which come within the scope of the matter hereinafter claimed. v

In the drawings in which similar reference numerals indicate like parts in the different figures, Figure 1, is a view partly in vertical central section and partly in side elevation showing a simple form of filter embodying this invention; and,'Fig. 2, is a'plan'view of a portion of the filtering media detached from .the filter...

The drawings presented show an unusually simple form of filter to illustrate the invention and the description and drawing details not needed for the full understanding of-the invention have been omitted.

In the drawings the reference numeral 1 denotes a tank or receptacle constituting a reservoir for the filtered oil and provided .with an upper wall 2 provided with an opening.

lFositioned on and supported. by the reser- V011 is an upper tank 3 provided. with a lower wall 4 having an aperture registering with the aperture in the upper wall 2 of the reservoir 1 The upper portion of the upper tank 3 is open and adapted to be positioned therein is aremovable receptacle '5 having at the marginal portion of its upper ally-projecting flange .6 adapted to seat on the ,upper edge of. the wall of the tank 3 for supporting it in spaced relation with respect to the lower wall 4 thereby providing a space 7 in which is a steam coil receptacle 5 I t The lower wall 9 of the receptacle 5 is provided with an aperture in vertical registration with respect to the apertures in the walls 2 and 41 and in these alined apertures 8 .for heating the edge a lateris a. discharge pipe. 10 the upper end 11 of which projects upwardly a considerable dis tance above .the lower wall9 of the receptacle 5 and which is provided with aplurality of minute perforations.

1 The joints between the walls 2, 4 and 9 around the,pipe 10 are closed through the medium of packing 'or clamping members 12' The .receptacle5 ispro'vided with a closure easy removal thereof.

'Pos'itioned in the lower portion of the receptacle 5 isa sedimentation pan 4 supported 'in spaced relation with respect to thewall 9 by means of spacing members 15 and the central lower wall, of this pan is provided with an aperture approximately concentric with the axis of thepipe 10 and provided with an upturned flange 16.

Adapted to be sup orted on the upper threaded endlof the is'charge pipe 10 isa plate 17 of a filtering chamber Provided with an annular groove in its lower, face adapted to receive theupturned marginal flange 16. The plate 17 constitutes a supportinglmedium for a cylindrical foraminous wall 18 surrounding the .upperend. 11 of the pipe 10 and, arranged'in spaced relation therewith. Surrounding the member 18 is a foraminous cylinder 19 spaced from the cylinder 18 to provide an annular space in which is placed a filtering medium 21 such as animal bone black.

If desired, the outer face of the cylinder 19 may be covered with a layer of fabric 20 but this, however, is not absolutely necessary. The cylinder 19 supports an imperforate closure member 22. Surrounding the cylinder 19 and in spaced relation theref member 13 equipped with handles 4 for the r to and with respect to each other, are a pair of foraminous cylinders 23 and 24 seated in the pan 14 and each of which is provided on its outer face with a layer 25 offiltering fabric. The cylinders-23 and 24 preferably ,are higher than the cylinder 19 and are held 1n spaced relation with respect to each other through the medium .ofspacing members 26 der 23.

secured to either of the cylinders 23 and 24 and engaging the other member and as shown in the drawings they consist of V- shaped ribs secured to the outer cylinder 24 with the apices of-the spacing members 26 engaging the fabric on the inner cylin- In use, the dirty oil is poured into the re ceiving receptacle 5 fromwhence it passes through the filtering media 25 on the two I cylinders 23 and 25 and from thence through p by fresh layers by the cloth 25 on the inner cylin er 23, and a should thecloth become clogged voir 1.1

'plished through the the bone black to the interior of the inner cylinder '18 -to' the discharge pipe 10 from Whenceit descends by gravity to the reser- In the eventof the necessity for cleaning either of the filtering cloths 25 they may be separately removed-and cleaned or replaced of; fabric and returned to their original ositions. .It will be seen from this that i ,the. outer cylinder 24 is=re-- moved the filteringoperation is erformed 25 on the inner cylinder 23 the inner cylinder may be removed and the filtering operation accommedium of the cloth 25 on the outer cylinder.

event of the removing of one the function can be performed by the other, thereby permitting the ready cleaning of one wit out interruptin the flow of the oil and the filtering operation.

I claim:

1. An oil filter comprising a hollow casing divided horizontally upper and lower compartments, the latter constituting a receptacle for filtered oil, a rece1v1ng receptacle for dirtyoil positioned in the upper compartment, a pipe extending from the lower compartment and terminating in said receptacle, a wide collar detaching in said receptacle minuted It may be stated that p it is necessary that at least two cylinders be employed so that in the members, all of said by a partition into" ably secured on said pipe said receptacle, a pair of tube-like members of forami'e nous material -mounted onsaid' collar and separated from each other to provide an annular space for the receptionof comminuted filtering material, a cover for closing the upper open end of the outer member, an annular sleeve-like memberof foraminous material supported by said receiving receptacle inclosing, spaced from and independent of said collar and alayer offibrous material secured tofsaid ,annular members, all of said members beingpositioned' in the path of oil fiowinghorizontallyfin said receiving rgieptacle andeach' independently remova e. h

divided shorizontjally a partition into upper and: low compartments, the latter ut n i. V P receiving receptacle acleffor filtered oil, a

from the lower compartment and terminatabl 1 secured on is aidypipe"within-said receptac e, a pair of tube-l ke v-. m1 m'ber s' of foramr nous material mounted on said collar and separated from each" other to provide an annular -"s ace-ffor the reception of com;

ing the -upper-openend of'th'e outer member, a pair of 2 d r yoil positioned 1n the upper compartment, "a pipe extending 'ia wide collar detach-Y 2. An oil hollow casing I tering material,- a cover for closannular, sleeve-like V members formed of foraminous material mounted on said receiving receptacle inclosing, spaced from and independent of said collar and its mechani'sm,'means carried by'one of said annular membersadapted tojhold-said members in spaced relation, .a layer of fibrous oil flowing horizonr 

